Finding the Fourth Proportional to 156,795.70, 234,847.95 and 136,059.70
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Solution
The fourth proportional to 156,795.70, 234,847.95 and 136,059.70 is: 203,789.66
Step by Step Solution
- Step 1: Write the proportion equation
156,795.70 : 234,847.95 = 136,059.70 : x - Step 2: Convert to fraction form
156,795.70/234,847.95 = 136,059.70/x - Step 3: Cross multiply
156,795.70x = 234,847.95 × 136,059.70 - Step 4: Simplify right side
156,795.70x = 31,953,341,622.62 - Step 5: Solve for x
x = 31,953,341,622.62/156,795.70 - Step 6: Final answer
x = 203,789.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.